The major reason why evil thrive more than good is because is innovative and looks for better ways to reach its existing and New customers while Good just remains being good typical example. When Snapchat came out all the thots, sex providers, strippers etc..... started using this social network and it has become an evil hangout. I dont want to mention Facebook, instagram and twitter. You can just be scrolling your Timeline and start see Nudes you never requested for that is evil being innovative coming to your doorstep. Now if Evil is Using the internet for her gains, What is good doing? when they asked this question in Jamb last year everybody failed it apart from me.
"Good" is busy building bigger churches, decorating and improving the place of God making it posher. Businesses have moved from offline to online and the church cannot still move online fully because it would not be too profitable for them (my opinion please dont argue). Now how many preachers are on snapchat, twitter, facebook, instagram sending people request and telling them to repent, there are but the numbers are low.
Good need to be more innovative and leave those mondane ways of life and face the new reality, Evil is working tirelessly and has many agents and good has many fancy buildings and fat accounts.

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Are you implying folks surreptitiously take pictures of people inside their homes (bathrooms, toilets, changing rooms, wardrobes, closets, etc or elsewhere and without their knowledge or consent and then such photos are circulated among snapchat users and groups for whatever reason including entertainment, mockery, blackmail, stalking, terrorism or other purposes?

The reason for that is because we live in satan's world according to the bible. Until Jesus returns, evil will appear to be reigning in this our time(which in reality, it's not).................
But all this evils & it's perpetuators(including satan) will end when God's new world will take over following the immediate arrival of master Jesus in full glory. Revelations chpt 19: 11-16, chpt 20 & 21

Simple put evil is more easier to do than good